lib/formslib.php in Moodle 2.1.x before 2.1.4 and 2.2.x before 2.2.1 does not properly handle multiple instances of a form element, which has unspecified impact and remote attack vectors.Referenceshttp://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=51070abc78b9e1db1db9a44855e8623b22bebd48http://moodle.org/mod/forum/discuss.php?d=194020https://bugzilla.redhat.com/show_bug.cgi?id=783532
